Find the exact value of cos(a - B) if sin a = and a is in quadrant II and cot ß 12 and ß is in quadrant IV. Use a trigonometric identity.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
Question
313
4
2. Find the exact value of cos(a – B) if sin a = and a is in quadrant II and cot ß
and B is in quadrant IV. Use a trigonometric identity.
%3D
12
Transcribed Image Text:313 4 2. Find the exact value of cos(a – B) if sin a = and a is in quadrant II and cot ß and B is in quadrant IV. Use a trigonometric identity. %3D 12
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